﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace 书易.Model
{
    /// <summary>
    /// 购物车
    /// </summary>
    public class Trade:Book
    {
         /// <summary>
         /// 购物编号
         /// </summary>
         public int TID { get; set; }
         /// <summary>
         /// 书籍编号
         /// </summary>
         public int? BID { get; set; }
         /// <summary>
         /// 会员编号
         /// </summary>
         public int? MID { get; set; }
         /// <summary>
         /// 书籍数量
         /// </summary>
         public int? BCount { get; set; }


         public double? sumJiaG { get; set; }
        
    }
}




